US20030000755A1 - Air management system for a motorcycle - Google Patents
Air management system for a motorcycle Download PDFInfo
- Publication number
- US20030000755A1 US20030000755A1 US09/893,942 US89394201A US2003000755A1 US 20030000755 A1 US20030000755 A1 US 20030000755A1 US 89394201 A US89394201 A US 89394201A US 2003000755 A1 US2003000755 A1 US 2003000755A1
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- United States
- Prior art keywords
- air
- motorcycle
- passageway
- radiator
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
- B62J17/02—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for shielding only the rider's front
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
- B62J17/10—Ventilation or air guiding devices forming part of fairings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
Definitions
- the present invention is directed toward a system for managing air in a motorcycle and, more particularly, toward a system for managing cooling air and engine air in a motorcycle.
- air inlets for the engine are traditionally located rearwardly relative to the radiator. However, it is important that these inlets be positioned so that the heated air from the radiator does not enter the engine. Moreover, the air inlets require an air filter to remove dirt and particulates from the air stream prior to delivery to the engine. These competing requirements typically place the air filter in a difficult position for replacement and also conventionally requires a separate housing to secure the air filter in place.
- the present invention is directed toward a motorcycle air management system that delivers cooling air to a rear mounted radiator and delivers air to the engine.
- the present invention is further directed toward an air management system that provides an easily accessible and replaceable air filter.
- the air management system includes a first air channel and a second air channel, each of the first and second air channels having an inlet disposed toward a front of the motorcycle and an outlet disposed rearward relative to the inlet.
- the first air channel is disposed on a first side of the motorcycle and extends through a body of the motorcycle to the first air channel outlet, which is located behind and beneath a seat of the motorcycle.
- the second air channel is disposed on a second side of the motorcycle and extends through the body of the motorcycle to the second air channel outlet, which is in communication with an engine air inlet.
- the first and second air channel inlets are symmetrically disposed relative to a longitudinal axis of the motorcycle.
- the first air channel communicates cooling air to a radiator that is disposed behind and beneath the motorcycle seat.
- cooling air flows from the first air channel outlet and through the radiator.
- the healed air from the radiator exits the motorcycle body at a location upwardly adjacent a rear wheel of the motorcycle.
- the second air channel extends from the second air channel inlet rearwardly beyond the gas tank, and has an air filter disposed therein.
- the air filter is preferably cylindrical and oriented transverse the longitudinal axis of the motorcycle.
- FIG. 1 is a schematic perspective view of a motorcycle incorporating an air management system according to the present invention.
- FIG. 2 is a schematic top plan view of the motorcycle illustrated in FIG. 1.
- an air management system is shown incorporated into a motorcycle 10 .
- the motorcycle 10 includes a body having a steering head 12 , a front wheel 14 , a rear wheel 16 , a seat or saddle 18 , a radiator 20 , an engine 22 , and a gas tank assembly 24 .
- the construction of the motorcycle 10 is generally conventional and will only be discussed in detail hereinafter as it relates to the inventive structure.
- the motorcycle 10 has a longitudinal axis 28 about which the motorcycle 10 is generally laterally symmetrical.
- the gas tank assembly 24 is aligned with the axis 28 and disposed relatively forward of the seat or saddle 18 .
- the engine 22 is disposed relatively beneath the gas tank assembly 24 , and is mechanically interlinked in a known fashion to the rear wheel 16 .
- the steering head 12 and front wheel 14 are ahead of the gas tank assembly 24 , while the rear wheel 16 is disposed relatively beneath and behind the seat 18 .
- the radiator 20 is disposed relatively rearward and beneath the seat 18 and relatively above the rear wheel 16 . More specifically, the radiator 20 is disposed in a space between the rear cowling 21 and the rear wheel 16 . Insulation, if necessary, may be provided under the seat 18 to prevent heat migration to the rider as may occur when the motorcycle 10 is stopped.
- the air management system includes a first air channel 30 and a second air channel 32 that each define a passageway for the communication of air from the forward portion of the motorcycle 10 to a relatively rearward location of the motorcycle, to be discussed more fully hereinafter.
- Each of the air channels 30 , 32 has an inlet 30 a , 32 a and an outlet 30 b , 32 b .
- the inlet 30 a of the first air channel 30 is disposed on a first side of the motorcycle longitudinal axis 28
- the inlet 39 a of the second air channel 32 is disposed on a second, opposite side of the motorcycle longitudinal axis 28 .
- the outlet 30 b of the first air channel 30 is disposed at a location relatively beneath the rear cowling 21 , rearward relative to the motorcycle seat 18 , and relatively above the radiator 20 .
- the first air channel 30 travels beneath the gas tank cover and the seat 18 as it extends rearwardly from the inlet 30 a toward the outlet 30 b .
- the outlet 32 b of the second air channel 32 is disposed relatively beneath the gas tank assembly 24 and in-line with the engine 22 , as will be discussed further hereinafter.
- the air channel inlets 30 a , 32 a are preferably disposed relatively forward of the steering head 12 and extend under and through a front cowling 23 . Screens (not shown) are preferably disposed within the air channels 30 , 32 , relatively rearward of the inlets 30 a , 32 a . As will be appreciated by one skilled in the art of motorcycle design, the air channels 30 , 32 are secured by mechanical fasteners to the motorcycle frame.
- the orientation of the radiator 20 relative to the first air channel outlet 30 b could be adjusted so that the air flows vertically upward or laterally through the radiator 20 , in dependence upon the radiator orientation.
- the radiator 20 could be oriented vertically or diagonally instead of the illustrated generally horizontal orientation.
- the longitudinal position of the radiator 20 relative to the seat 18 may be altered to accommodate various design considerations.
- the second air channel 32 delivers air to engine air inlets via an air filter 26 .
- the air filter 26 is disposed in a terminal portion of the second air channel 32 .
- the illustrated air filter 26 is cylindrical in shape and has a closed proximal end 26 a and an open distal end, the distal end being adjacent the engine air inlet.
- the outer surface of the closed proximal end 26 a of the air filter 26 is exposed to the exterior and preferably integrally provides a fastener that cooperates with a surrounding air filter chamber 34 provided by the terminal portion of the second air channel 32 to releasably secure the air filter 26 to the second air channel 32 .
- Such a fastener may be a twist and lock or bayonet type fastener, or may be spring biased to normally maintain the air filter in an installed position.
- the air filter 26 is disposed in a location that is easily accessible, and is adapted to be simply and quickly removed and replaced.
- Engine air flows through the second air channel 32 from the inlet 32 a to the outlet 32 b , and issues into the air filter chamber 34 that receives the air filter 26 .
- the air flows radially through the cylindrical sidewall of the air filter 26 , and relatively clean air flows axially, via the open end of the filter 26 , to the engine air inlets.
- Each of the first and second air channels 30 , 32 extend through the front cowling 23 and into the gas tank assembly 24 so as to be relatively beneath a gas tank cover and alongside the gas tank.
- the channels 30 , 32 then curve downwardly and inwardly toward the longitudinal axis 28 of the motorcycle 10 .
- the first air channel 30 is longer than the second air channel 32 and is bent downwardly at a location relatively behind the gas tank assembly 24 so as to pass beneath the seat 18 .
- the shorter, second air channel 32 terminates relatively beneath the gas tank assembly 24 so as to provide air to the engine air inlets disposed therebeneath.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
An air management system for a motorcycle including a first air channel and a second air channel. The first air channel defines a first passageway extending through a body of the motorcycle, the first passageway having an inlet located on a first side of the motorcycle and an outlet located under a seat of the motorcycle. The second air channel defines a second passageway passing through the body of the motorcycle, the second passageway having an inlet located on a second side of the motorcycle and an outlet in communication with an engine air inlet. The first and second passageway inlets are relatively symmetrically disposed relative to a longitudinal axis of the motorcycle. The first air passageway delivers cooling air to a radiator that is disposed beneath the motorcycle seat, while the second air passageway delivers air to the engine air inlet. An air filter is disposed in a terminal portion of the second air channel and is oriented relatively transverse to the motorcycle axis.
Description
- The present invention is directed toward a system for managing air in a motorcycle and, more particularly, toward a system for managing cooling air and engine air in a motorcycle.
- Motorcycle radiators have traditionally been located at the front of the engine and relatively behind the front tire. While this places the radiator at a location to receive cooling air during operation of the motorcycle, it also places the radiator at a location to be heated by the engine exhaust manifold. Moreover, despite the forward location of the radiator, the flow of cooling air is blocked by the front tire. Accordingly, the size of the radiator must be increased to obtain satisfactory cooling performance. This, in turn, increases the front profile of the motorcycle, which not only has a negative effect on the appearance of the motorcycle, but also increases the motorcycle drag.
- Moreover, air inlets for the engine are traditionally located rearwardly relative to the radiator. However, it is important that these inlets be positioned so that the heated air from the radiator does not enter the engine. Moreover, the air inlets require an air filter to remove dirt and particulates from the air stream prior to delivery to the engine. These competing requirements typically place the air filter in a difficult position for replacement and also conventionally requires a separate housing to secure the air filter in place.
- Therefore, there exists a need in the art for a cooling system that places the radiator in a more advantageous position, and for an air management system that delivers air to the radiator as well as the engine.
- The present invention is directed toward a motorcycle air management system that delivers cooling air to a rear mounted radiator and delivers air to the engine. The present invention is further directed toward an air management system that provides an easily accessible and replaceable air filter.
- In accordance with the present invention the air management system includes a first air channel and a second air channel, each of the first and second air channels having an inlet disposed toward a front of the motorcycle and an outlet disposed rearward relative to the inlet. The first air channel is disposed on a first side of the motorcycle and extends through a body of the motorcycle to the first air channel outlet, which is located behind and beneath a seat of the motorcycle. The second air channel is disposed on a second side of the motorcycle and extends through the body of the motorcycle to the second air channel outlet, which is in communication with an engine air inlet.
- In further accordance with the present invention, the first and second air channel inlets are symmetrically disposed relative to a longitudinal axis of the motorcycle. The first air channel communicates cooling air to a radiator that is disposed behind and beneath the motorcycle seat. Preferably, cooling air flows from the first air channel outlet and through the radiator. The healed air from the radiator exits the motorcycle body at a location upwardly adjacent a rear wheel of the motorcycle.
- In further accordance with the present invention, the second air channel extends from the second air channel inlet rearwardly beyond the gas tank, and has an air filter disposed therein. The air filter is preferably cylindrical and oriented transverse the longitudinal axis of the motorcycle.
- These and further features of the invention will be apparent with reference to the following description and drawings, wherein:
- FIG. 1 is a schematic perspective view of a motorcycle incorporating an air management system according to the present invention; and,
- FIG. 2 is a schematic top plan view of the motorcycle illustrated in FIG. 1.
- With reference to the drawing figures, an air management system according to the present invention is shown incorporated into a
motorcycle 10. Themotorcycle 10 includes a body having asteering head 12, afront wheel 14, arear wheel 16, a seat orsaddle 18, aradiator 20, anengine 22, and agas tank assembly 24. With the exception of theradiator 20 and the air management system, the construction of themotorcycle 10 is generally conventional and will only be discussed in detail hereinafter as it relates to the inventive structure. Themotorcycle 10 has alongitudinal axis 28 about which themotorcycle 10 is generally laterally symmetrical. Thegas tank assembly 24 is aligned with theaxis 28 and disposed relatively forward of the seat orsaddle 18. Theengine 22 is disposed relatively beneath thegas tank assembly 24, and is mechanically interlinked in a known fashion to therear wheel 16. Thesteering head 12 andfront wheel 14 are ahead of thegas tank assembly 24, while therear wheel 16 is disposed relatively beneath and behind theseat 18. In the illustrated and preferred embodiment, theradiator 20 is disposed relatively rearward and beneath theseat 18 and relatively above therear wheel 16. More specifically, theradiator 20 is disposed in a space between the rear cowling 21 and therear wheel 16. Insulation, if necessary, may be provided under theseat 18 to prevent heat migration to the rider as may occur when themotorcycle 10 is stopped. - The air management system includes a
first air channel 30 and asecond air channel 32 that each define a passageway for the communication of air from the forward portion of themotorcycle 10 to a relatively rearward location of the motorcycle, to be discussed more fully hereinafter. Each of theair channels inlet outlet inlet 30 a of thefirst air channel 30 is disposed on a first side of the motorcyclelongitudinal axis 28, while the inlet 39 a of thesecond air channel 32 is disposed on a second, opposite side of the motorcyclelongitudinal axis 28. Theoutlet 30 b of thefirst air channel 30 is disposed at a location relatively beneath the rear cowling 21, rearward relative to themotorcycle seat 18, and relatively above theradiator 20. Thus, thefirst air channel 30 travels beneath the gas tank cover and theseat 18 as it extends rearwardly from theinlet 30 a toward theoutlet 30 b. Theoutlet 32 b of thesecond air channel 32 is disposed relatively beneath thegas tank assembly 24 and in-line with theengine 22, as will be discussed further hereinafter. - The air channel inlets30 a, 32 a are preferably disposed relatively forward of the
steering head 12 and extend under and through a front cowling 23. Screens (not shown) are preferably disposed within theair channels inlets air channels - Air flows through the passageway of the
first air channel 30 from theinlet 30 a to theoutlet 30 b and then flows across and downwardly through theradiator 20 to cool the liquid therein. Heated air from theradiator 20 exits downwardly toward therear wheel 16 and relatively away from the rider. Naturally, it is contemplated and expected that the orientation of theradiator 20 relative to the firstair channel outlet 30 b could be adjusted so that the air flows vertically upward or laterally through theradiator 20, in dependence upon the radiator orientation. For example, theradiator 20 could be oriented vertically or diagonally instead of the illustrated generally horizontal orientation. Finally, the longitudinal position of theradiator 20 relative to theseat 18 may be altered to accommodate various design considerations. - The
second air channel 32 delivers air to engine air inlets via anair filter 26. As shown best in FIG. 1 theair filter 26 is disposed in a terminal portion of thesecond air channel 32. The illustratedair filter 26 is cylindrical in shape and has a closedproximal end 26 a and an open distal end, the distal end being adjacent the engine air inlet. The outer surface of the closedproximal end 26 a of theair filter 26 is exposed to the exterior and preferably integrally provides a fastener that cooperates with a surroundingair filter chamber 34 provided by the terminal portion of thesecond air channel 32 to releasably secure theair filter 26 to thesecond air channel 32. Such a fastener may be a twist and lock or bayonet type fastener, or may be spring biased to normally maintain the air filter in an installed position. As such, theair filter 26 is disposed in a location that is easily accessible, and is adapted to be simply and quickly removed and replaced. Engine air flows through thesecond air channel 32 from theinlet 32 a to theoutlet 32 b, and issues into theair filter chamber 34 that receives theair filter 26. The air flows radially through the cylindrical sidewall of theair filter 26, and relatively clean air flows axially, via the open end of thefilter 26, to the engine air inlets. - Each of the first and
second air channels gas tank assembly 24 so as to be relatively beneath a gas tank cover and alongside the gas tank. Thechannels longitudinal axis 28 of themotorcycle 10. As will be readily appreciated, thefirst air channel 30 is longer than thesecond air channel 32 and is bent downwardly at a location relatively behind thegas tank assembly 24 so as to pass beneath theseat 18. The shorter,second air channel 32 terminates relatively beneath thegas tank assembly 24 so as to provide air to the engine air inlets disposed therebeneath. - The present invention has been described herein with particularity, but it is noted that the scope of the invention is not limited thereto. Rather, the present invention is considered to be possible of numerous modifications, alterations, and combinations of parts and, therefore, is only defined by the claims appended hereto.
Claims (16)
1. An air management system for a motorcycle, comprising:
a first air channel defining a first passageway extending through a body of the motorcycle, said first passageway having an inlet located on a first side of the motorcycle and an outlet communicating cooling air to a rearwardly disposed radiator; and,
a second air channel defining a second passageway passing through the body of the motorcycle, said second passageway having an inlet located on a second side of the motorcycle and an outlet in communication with an engine air inlet the second passageway inlet being located on a second side of the motorcycle, wherein the inlets for the first and second passageways are positioned in a substantially symmetrical manner at a front of the motorcycle.
2. The air management system according to claim 1 , wherein the first passageway outlet is disposed relatively rearward of the seat.
3. The air management system according to claim 2 , wherein the radiator is disposed generally horizontally and the first passageway outlet is disposed adjacent said radiator such that air flowing from the first passageway outlet flows downwardly through the radiator.
4. The air management system according to claim 1 , further comprising an air filter disposed relatively between the second passageway outlet and the engine air inlet.
5. The air management system according to claim 4 , wherein the air filter is oriented transverse to a longitudinal axis of the motorcycle.
6. The air management system according to claim 5 , wherein the air filter is cylindrical and includes a closed proximal end including a fastener to releasably secure the air filter to a terminal portion of the second air channel.
7. The air management system according to claim 6 , wherein the first passageway outlet is disposed relatively rearward of the seat.
8. The air management system according to claim 7 , wherein the radiator is disposed generally horizontally, and the first passageway outlet is disposed adjacent said radiator such that air flowing from the first passageway outlet flows downwardly through the radiator.
9. A motorcycle including a front wheel, a rear wheel, a steering head, an engine, a seat, a radiator, and a gas tank assembly, said motorcycle having a longitudinal axis aligned with said front and rear wheels said gas tank assembly being disposed relatively behind said front wheel and said steering head and relatively above said engine, said seat being disposed relatively behind said gas tank assembly and relatively above said radiator, the improvement comprising:
an air management system for delivering air to the engine and radiator, said air management system comprising:
a first air channel defining a first passageway extending through a body of the motorcycle, said first passageway having an inlet located on a first side of the motorcycle and an outlet through which cooling air flows to said radiator; and,
a second air channel defining a second passageway passing through the body of the motorcycle, said second passageway having an inlet located on a second side of the motorcycle and an outlet in communication with an air inlet of the engine, the second passageway inlet being located on a second side of the motorcycle, wherein the inlets for the first and second passageways are positioned in a substantially symmetrical manner at a front of the motorcycle and relatively forward of the steering head.
10. The motorcycle according to claim 9 , wherein the first passageway outlet is disposed relatively rearward of the seat.
11. The motorcycle according to claim 10 , wherein the radiator is disposed generally horizontally and the first passageway outlet is disposed vertically adjacent said radiator such that air flowing from the first passageway outlet flows downwardly through the radiator.
12. The motorcycle according to claim 9 , further comprising an air filter disposed relatively between the second passageway outlet and the engine air inlet.
13. The motorcycle according to claim 12 , wherein the air filter is oriented relatively transverse to the longitudinal axis of the motorcycle.
14. The motorcycle according to claim 13 , wherein the air filter is cylindrical and includes a closed proximal end including a fastener to releasably secure the air filter to a terminal portion of the second air channel.
15. The motorcycle according to claim 14 wherein the first passageway outlet is disposed relatively rearward of the seat.
16. The motorcycle according to claim 15 , wherein the radiator is disposed generally horizontally and the first passageway outlet is disposed adjacent said radiator such that air flowing from the first passageway outlet flows downwardly through the radiator.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/893,942 US6695088B2 (en) | 2001-06-28 | 2001-06-28 | Air management system for a motorcycle |
JP2002170105A JP4139142B2 (en) | 2001-06-28 | 2002-06-11 | Motorcycle and its air management system |
DE10227735A DE10227735A1 (en) | 2001-06-28 | 2002-06-21 | Air duct system for a motorcycle |
IT2002TO000562A ITTO20020562A1 (en) | 2001-06-28 | 2002-06-27 | AIR MANAGEMENT SYSTEM IN A MOTORCYCLE, AND A MOTORCYCLE INCLUDING SUCH SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/893,942 US6695088B2 (en) | 2001-06-28 | 2001-06-28 | Air management system for a motorcycle |
Publications (2)
Publication Number | Publication Date |
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US20030000755A1 true US20030000755A1 (en) | 2003-01-02 |
US6695088B2 US6695088B2 (en) | 2004-02-24 |
Family
ID=25402378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/893,942 Expired - Fee Related US6695088B2 (en) | 2001-06-28 | 2001-06-28 | Air management system for a motorcycle |
Country Status (4)
Country | Link |
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US (1) | US6695088B2 (en) |
JP (1) | JP4139142B2 (en) |
DE (1) | DE10227735A1 (en) |
IT (1) | ITTO20020562A1 (en) |
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2001
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-
2002
- 2002-06-11 JP JP2002170105A patent/JP4139142B2/en not_active Expired - Fee Related
- 2002-06-21 DE DE10227735A patent/DE10227735A1/en not_active Ceased
- 2002-06-27 IT IT2002TO000562A patent/ITTO20020562A1/en unknown
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Also Published As
Publication number | Publication date |
---|---|
US6695088B2 (en) | 2004-02-24 |
DE10227735A1 (en) | 2003-01-16 |
ITTO20020562A0 (en) | 2002-06-27 |
JP2003048588A (en) | 2003-02-18 |
ITTO20020562A1 (en) | 2003-12-29 |
JP4139142B2 (en) | 2008-08-27 |
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